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Graco 103209 O-Ring Packing

The Graco 103209 Packing O-Ring provides a reliable seal for fluid regulators and pump modules, ensuring leak-free and consistent pressure performance.

  • Genuine OEM part for Graco regulator assemblies
  • Made from durable fluoroelastomer for chemical resistance
  • Maintains pressure integrity in high-demand applications
  • Used in Graco NXT and other regulator modules

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Seal for Graco Regulators & Pump Modules (103209)

Compatible Machines

  • Graco NXT regulator assemblies (e.g., NXT011, NXT031)
  • Selected Graco fluid control / pump regulator modules that specify part #103209 in their parts diagram

Product Overview

The Graco 103209 Packing O-Ring is a precision seal used in high-pressure fluid control and regulator modules. Specified by Graco for regulator assemblies (including NXT series), it helps maintain leak-free operation and stable pressure.

Specifications

Manufacturer Graco
Part Number 103209
Name Packing O-Ring
Typical Location Fluid regulator / pump regulator module (seal groove)
Material Fluoroelastomer (for chemical and temperature resistance)
Function Maintains system integrity, prevents leaks, supports stable pressure in Graco regulator assemblies

Key Features

  • OEM-grade fit and sealing performance for Graco regulator assemblies
  • Fluoroelastomer construction for durability and media compatibility
  • Supports high-pressure, professional coating workflows
  • Helps reduce downtime by restoring proper sealing during service

Installation & Service Notes

  • Fully depressurize the system before service.
  • Clean the seal groove and inspect mating surfaces for wear or scoring.
  • Use compatible lubricant if specified by your service manual.
  • Replace with genuine Graco 103209 to maintain performance.

Frequently Asked Questions

The 103209 is specified for Graco regulator assemblies (e.g., NXT series). Fitment depends on whether your unit’s parts diagram lists 103209. Check your manual or parts breakdown to confirm.

For best results, use the genuine Graco 103209. Material, hardness, and tolerances are critical; non-OEM alternatives may leak or fail prematurely.

Replace during regulator/pump module overhauls, whenever leakage is detected, or per your maintenance schedule. Inspect the seal and gland each time the assembly is opened.

Fluoroelastomer offers broad chemical and temperature resistance for many coating materials. Always verify compatibility with your specific paint or solvent.

Avoid twisting the O-ring during installation, ensure the groove is clean, and use only recommended lubricants. Check for burrs or sharp edges that could nick the seal.

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